|Representing Saint Kitts and Nevis|
|CAC Junior Championships (U20)|
|2002 Bridgetown||400 m|
|2002 Bridgetown||4x100 m relay|
|CAC Junior Championships (U17)|
|2000 San Juan||200 m|
|2000 San Juan||400 m|
|2003 Port of Spain||200 m|
|2001 Bridgetown||400 m|
|2003 Port of Spain||400 m|
|2001 Bridgetown||200 m|
|1999 Fort-de-France||200 m|
|1999 Fort-de-France||400 m|
She won the 400 metres silver medal at the 2005 Central American and Caribbean Championships. She reached the semi-final at the 1999 World Youth Championships, the 2002 World Junior Championships (in 200 m), the 2004 Olympic Games, the 2005 World Championships and the 2009 World Championships. She also competed at the 2000 World Junior Championships, the 2008 Olympic Games and the 2010 World Indoor Championships without progressing from the first round.
Her personal best times are 23.41 seconds in the 200 metres, achieved in April 2005 in Oxford; and 50.83 in the 400 metres, achieved in June 2005 in Sacramento. On the indoor track she has 23.24 seconds in the 200 metres, achieved in February 2006 in Fayetteville. She also holds the Saint Kitts record in the 4 x 100 metres relay, with 44.41 seconds achieved in July 2004 in Bogotá together with Carol Clarke, Nathandra John and Virgil Hodge.
- "Central American and Caribbean Championships (Women)". GBR Athletics. Athletics Weekly. Retrieved 12 March 2010.
- Tiandra Ponteen profile at IAAF
- "Commonwealth All-Time Lists (Women)". GBR Athletics. Athletics Weekly. Retrieved 12 March 2010.
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